Air conditioner



FIG. 1 is a perspective view of an air conditioner, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dash broken lines represent the environment only and form no part of the claimed design.

The dash dot dash broken line represent the boundary and form no part of the claimed design. 

CLAIM I claim, the ornamental design for an air conditioner, as shown and described. 